DW
Didier Wimmers (Executive VP of R&D) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Aehr Test Systems, Inc. (AEHR). The largest single filing was $386K of AEHR (5,400 sh across 2 lots, as filed), executed Apr 13. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
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returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
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measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$386K
shares × price, as filed
Last traded
Apr 15
Filed Apr 15
Median ADV $307.6M across their filed names
Open performance→Volume by month
Buys $0
Sells $386K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
1 filing
Sector per market data · by filing · past 12 months
Most traded names
AEHRRecent filings
AEHRSALE
Aehr Test Systems, Inc.
View filing →
$386K5,400 sh across 2 lots
Exec Apr 13
Filed Apr 15 · 5:30 PM ET